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Question 30620
JEE Physics · Hard

Circular Motion: Vertical Circle — Tension at Top MCQ

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Vertical Circle — Tension at TopHardQuestion 30620

Question

At the top of a vertical circle, tension T when speed is v_t:
  1. A
    mg + mv_t²/r
  2. B
    mv_t²/r − mg
    Correct
  3. C
    mg − mv_t²/r
  4. D
    mv_t²/r

Correct answer

mv_t²/r − mg

Explanation

At the top: T + mg = mv_t²/r (both T and mg point toward centre). T = mv_t²/r − mg.

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